.app {
  min-height: 100vh;
  background-color: #f5f5f5;
}

.app-header {
  background-color: #fff;
  padding: 20px 40px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-header h1 {
  color: #1890ff;
  font-size: 28px;
  font-weight: 600;
  margin: 0;
}

.app-main {
  padding: 30px 40px;
  max-width: 1400px;
  margin: 0 auto;
}

.success-message {
  text-align: center;
  padding: 80px 40px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  max-width: 600px;
  margin: 100px auto;
}

.success-icon {
  width: 80px;
  height: 80px;
  background: #52c41a;
  color: white;
  font-size: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
  0% {
    transform: scale(0);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

.success-message h2 {
  color: #52c41a;
  font-size: 24px;
  margin: 20px 0 10px;
}

.success-message p {
  color: #666;
  font-size: 16px;
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
  font-weight: 500;
}

.btn-primary {
  background-color: #1890ff;
  color: white;
}

.btn-primary:hover {
  background-color: #40a9ff;
}

.btn-secondary {
  background-color: #fff;
  color: #333;
  border: 1px solid #d9d9d9;
}

.btn-secondary:hover {
  color: #1890ff;
  border-color: #1890ff;
}

.btn-success {
  background-color: #52c41a;
  color: white;
}

.btn-success:hover {
  background-color: #73d13d;
}

.btn-danger {
  background-color: #ff4d4f;
  color: white;
}

.btn-danger:hover {
  background-color: #ff7875;
}

.btn-warning {
  background-color: #faad14;
  color: white;
}

.btn-warning:hover {
  background-color: #ffc53d;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
